ORGANIC LIGHT EMITTING DISPLAY DEVICE

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EP 3 425 691 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	24.04.2019 Bulletin 2019/17

(43)	Date of publication A2:
	09.01.2019 Bulletin 2019/02

(21)	Application number: 18164634.0

(22)	Date of filing: 28.03.2018

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International Patent Classification (IPC):

H01L 51/52^(2006.01)

H01L 27/32^(2006.01)

(84)	Designated Contracting States:
	AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
	Designated Extension States:
	BA ME
	Designated Validation States:
	KH MA MD TN

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Priority:

04.07.2017 KR 20170085074

(71)	Applicant: Samsung Display Co., Ltd.
	Yongin-si Gyeonggi-do 17113 (KR)

(72)	Inventors:
	JOO, Sun Kyu Gyeonggi-do (KR) KIM, Byung Chul Gyeonggi-do (KR) KIM, Sung Chul Gyeonggi-do (KR) KIM, Su Jeong Gyeonggi-do (KR) KIM, In Ok Gyeonggi-do (KR) MUN, Hye Ran Gyeonggi-do (KR) SONG, In Seok Gyeonggi-do (KR) OH, Keun Chan Gyeonggi-do (KR) LYU, Jae Jin Gyeonggi-do (KR) LEE, Yui Ku Chungcheongnam-do (KR)

(74)	Representative: Mounteney, Simon James
	Marks & Clerk LLP 90 Long Acre London WC2E 9RA London WC2E 9RA (GB)

(54)	ORGANIC LIGHT EMITTING DISPLAY DEVICE

(57) An organic light emitting display device comprising: a substrate; a first pixel electrode disposed on the substrate; a pixel defining film disposed on the first pixel electrode and having a first opening at least partially exposing the first pixel electrode; a first organic light emitting layer disposed on the pixel defining film and overlapping with the first opening of the pixel defining film; and a black matrix disposed on the first organic light emitting layer and having a first opening overlapping with the first organic light emitting layer. Light having passed through the first opening of the black matrix may be one of red light, green light, and blue light, and wherein the first opening of the black matrix may have a shape with a curved portion.

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